//
//  CZVisitorView.swift
//  01-sinaWeibo-05-09
//
//  Created by mac on 16/5/12.
//  Copyright © 2016年 mac. All rights reserved.
//

import UIKit
//1.定义代理协议
@objc protocol CZVisitorViewDelegate:NSObjectProtocol{
//2.定义协议方法 
    //注册按钮点击后的代理方法
    optional func visitorViewDidClickRegister()
    
    func visitorViewDidClickLogin()
    
    
}


//自定义访客视图
class CZVisitorView: UIView {
    //3.定义代理属性
    weak var delegate:CZVisitorViewDelegate?
    
    //MARK: -公开方法
   //设置访客视图内容
    func setupVisitorInfo(imageName:String,message:String){
        
        //将转轮图片替换
        iconView.image = UIImage(named: imageName)
        
        //设置leble
        messageLabel.text = message
        
        //隐藏小房子
        homeView.hidden = true
        
        //隐藏遮盖
        coverView.hidden = true
        
    
    }
    
    
    //MARK: -转轮旋转动画
    func startRotationAnimation(){
        //创建核心动画
        let anim = CABasicAnimation(keyPath: "transform.rotation")
        anim.toValue = M_PI * 2
        anim.duration = 20
        anim.repeatCount = MAXFLOAT
        //核心动画完成时不要移除
        anim.removedOnCompletion = false
        
        //将核心动画添加到图层上面
        iconView.layer.addAnimation(anim, forKey: nil)
        
    }
    
    
    
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        prepareUI()
    }
    
    
    //设置UI
    private func prepareUI()
    {
        //设置背景颜色
        self.backgroundColor = UIColor(white: 237/255.0, alpha: 1)
        //将子控件添加进来
         self.addSubview(iconView)
         self.addSubview(coverView)
         self.addSubview(homeView)
         self.addSubview(messageLabel)
         self.addSubview(registerButton)
         self.addSubview(loginButton)
        
        
        iconView.translatesAutoresizingMaskIntoConstraints = false
        coverView.translatesAutoresizingMaskIntoConstraints = false
        homeView.translatesAutoresizingMaskIntoConstraints = false
        messageLabel.translatesAutoresizingMaskIntoConstraints = false
        registerButton.translatesAutoresizingMaskIntoConstraints = false
        loginButton.translatesAutoresizingMaskIntoConstraints = false
        
        //添加约束(最好只添加一次)
        //转轮
        /// CenterX和父控件的CenterX重合
        // item: 要添加约束的view
        // attribute: 要添加的View的属性
        // toItem: 要参照的view
        // attribute: 要参照View的属性
        // 将约束添加到view上面去
        self.addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        //Y
        self.addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: -40))
        
        //遮盖
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Leading, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Leading, multiplier: 1, constant: 0))
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Top, multiplier: 1, constant: 0))
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Trailing, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.Trailing, multiplier: 1, constant: 0))
        self.addConstraint(NSLayoutConstraint(item: coverView, attribute: NSLayoutAttribute.Bottom, relatedBy: NSLayoutRelation.Equal, toItem: registerButton, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 0))
        
        // 小房子
        // CenterX转轮CenterX
        self.addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        // CenterY转轮CenterY
        self.addConstraint(NSLayoutConstraint(item: homeView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterY, multiplier: 1, constant: 0))


        // 消息label
        /// 宽度
        /// 当参照的view为nil时,属性为NSLayoutAttribute.NotAnAttribute
        self.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 240))
        
        // CenterX 和父控件CenterX
        self.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1, constant: 0))
        
        // Top和转轮底部
        self.addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        // 注册按钮
        /// 顶部和label底部
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        /// 左边和label对齐
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Leading, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Leading, multiplier: 1, constant: 0))
        
        /// 宽度
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 100))
        
        // 高度
        self.addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))
        
        // 登录按钮
        /// 顶部和label底部
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1, constant: 16))
        
        /// 右边和label对齐
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Trailing, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Trailing, multiplier: 1, constant: 0))
        
        /// 宽度
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 100))
        
        // 高度
        self.addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1, constant: 35))
        
        
    }
    
    // MARK: - 按钮点击事件
    // 按钮点击事件方法是系统来调用, 当把按钮点击事件private后系统就找不到这个方法了
    // @objc: 让系统可以找到我们的方法
   @objc private func didClickRegister()
    {
        //View不能Moda出控制器出来,需要将事件传递给控制器
        //4.调用代理方法
        delegate?.visitorViewDidClickRegister?()
    }
    @objc private func didClickLogin(){
    
        delegate?.visitorViewDidClickLogin()
    }
    
    
    //MARK: -懒加载
    
    //转轮
    private lazy var iconView: UIImageView  = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
    //遮盖视图
    private lazy var coverView:UIImageView = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
    //小房子
    private lazy var homeView: UIImageView = UIImageView(image:UIImage(named: "visitordiscover_feed_image_house"))
    //消息文字
    private lazy var messageLabel:UILabel = {
        let lable = UILabel()
        //设置lable属性
        lable.text = "关注一些人,看看有什么惊喜!"
        lable.textColor = UIColor.blackColor()
        lable.font = UIFont.systemFontOfSize(16)
        lable.textAlignment = NSTextAlignment.Center
        lable.numberOfLines = 0
         lable.sizeToFit()

       return lable
    }()
    
    //注册按钮
    private lazy var registerButton: UIButton = {
        let button = UIButton()
        //设置属性
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        
        button.setTitleColor(UIColor.orangeColor(), forState: UIControlState.Normal)
        
        button.setTitle("注册", forState: UIControlState.Normal)
        
        button.addTarget(self, action: "didClickRegister", forControlEvents: UIControlEvents.TouchUpInside)
     return button
    }()

    //登录按钮
    private lazy var loginButton: UIButton = {
        let button = UIButton()
        //设置属性
        button.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        
        button.setTitleColor(UIColor.blackColor(), forState: UIControlState.Normal)
        
        button.setTitle("登录", forState: UIControlState.Normal)
        button.addTarget(self, action: "didClickLogin", forControlEvents: UIControlEvents.TouchUpInside)
        return button
    }()


}
